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Biology

Your eyes don’t always capture the world exactly as a video camera would. But the eyes are remarkably efficient organs, the result of hundreds of millions of years of coevolution with our brains. Michael Mauser outlines the similarities and differences between your eye and a video camera.Read More

Some people take aspirin or ibuprofen to treat everyday aches and pains, but how exactly do the different classes of pain relievers work? Learn about the basic physiology of how humans experience pain, and the mechanics of the medicines we’ve invented to block or circumvent that discomfort. Full Lesson can be found here.Read More

Perhaps not too far in the distant future you’ll be storing all your home movies in the same four chemicals that store the information on your eye and hair color. Biological systems have been using DNA as an information storage molecule for billions of years. Vast amounts of data can thus be encoded within microscopic Read MoreRead More

For the first time, a thought in the brain of a zebrafish is captured on video. Researchers at Japan’s National Institute of Genetics believe they’ve captured a world first video — images of a thought making it’s way through the brain of a zebrafish. It’s not a particularly complicated thought — essentially ‘Hey, that looks Read MoreRead More